Golden mussels are continuing to spread throughout California, potentially imperiling key water infrastructure and leading Kern County to declare an emergency. … This week, Kern County officials declared a local emergency over the invasive species. … Kern County is the second to declare an emergency due to the invading bivalves. On April 28, the San Joaquin County Board of Supervisors also declared a local emergency, reporting that golden mussels had already affected key infrastructure, including a $100 million floodgate. And the invasive mussels are also impacting the Bay Area. Earlier this month, water officials in Santa Clara County reported two golden mussels were found for the first time in their water treatment facilities. 

Other invasive species news:

• ABC23 (Bakersfield, Calif.): Golden mussels spreading through California waterways, prompting urgent warnings to Kern County water agencies
• Vail Daily (Colo.): Colorado Parks and Wildlife resumes weekly testing for invasive species in Colorado River
• Vail Daily (Colo.): Opinion: Zebra mussels aren’t someone else’s problem